21274738

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2681

約数の個数: 16

約数和(自身を含む): 32970240

約数和(自身を除く): 11695502

約数列:

[1, 2, 47, 89, 94, 178, 2543, 4183, 5086, 8366, 119521, 226327, 239042, 452654, 10637369, 21274738]

約数ペア:

[(1, 21274738), (2, 10637369), (47, 452654), (89, 239042), (94, 226327), (178, 119521), (2543, 8366), (4183, 5086)]